TRUCK JUST DROPPED
Meet the truck that laughs at weak pavement and says, Is that all you got?
The Onyx Black 2025 GMC Sierra 2500HD AT4 has entered the chat and it brought a Duramax diesel with it.
This beast doesn't just drive it dominates:
6.6L Duramax Turbo Diesel (aka: torque for days)
4WD + X31 Off-Road Package (mud, snow, bad decisions handled)
Gooseneck/5th Wheel Prep (tow your house if needed)
HD Surround Vision (because guessing is overrated)
Inside? Oh, its NICE nice:
Heated AND ventilated seats (because Pennsylvania cant make up its mind)
Bose premium sound system (concert vibes, no ticket required)
Wireless Apple CarPlay/Android Auto (goodbye cords, hello freedom)
Leather seats with Kalahari accents (yes, your truck is fancier than your living room)
And yes its got a Clean CarFax, so no skeletons in the truck bed
Whether you'r towing, hauling, off-roading, or just pulling into the grocery store like a legend this Sierra is built for it.
Available NOW at Blaise Alexander GMC of Greater Hazleton
Home of the Low Price Guarantee
Warning: May cause excessive head-turning, neighbor envy, and random people asking, Hey what do you do for a living?
Call now before someone else hooks up your truck to their trailer.
Used 2025 GMCSierra 2500 HD AT4for Sale near Lewistown, PA
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black
- Odometer
- 8,402 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- V-8 cyl
- VIN
- 1GT4UPEY2SF254256
- Stock Number
- ZGU1301
Highlighted Features
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
- Front dual zone A/C
- Auto high-beam headlights
Included Packages & Accessories
- Exhaust Brake
- Engine: Duramax 6.6L Turbo-Diesel V8
- Capped Fuel Fill
- 220-Amp Alternator
- Dual Heavy-Duty 70 Amp Battery
- Winter Grille Cover
- Engine Block Heater
- GVWR: 11,350 lbs
- 3.42 Axle Ratio
- Transmission: Allison 10-Speed Automatic
- Electric Rear-Window Defogger
- Wheels: 20" High Gloss Black 8 Spokes Aluminum
- Front Rain-Sensing Wipers
- Mobile Service Plus
- Skid Plates
- Wireless Charging
- Front Premium Floor Liners with Removable Carpet Insert
- Rear Premium Floor Liners with Removable Carpet Insert
- Bose Premium 7-Speaker Sound System
- Automatic Emergency Braking
- Manual Tilt-Wheel/Telescoping Steering Column
- Push Button Start
- Remote Vehicle Starter System
- Floor-Mounted Center Console
- Wireless Phone Projection
- 2 USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- IntelliBeam Automatic High Beam on/Off
- Federal Emissions Requirements
- Steering Wheel Audio Controls
- 2 Charge-Only Rear USB Ports
- Deep-Tinted Glass
- 10-Way Power Driver Seat Adjuster with Lumbar
- Spray-on Pickup Bedliner with GMC Logo
- Hitch Guidance with Hitch View
- Front Pedestrian Braking
- Buckle to Drive
- Trailer Side Blind Zone Alert
- Driver Memory
- Preferred Equipment Group 4SB
- Sierra HD Pro Safety
- Forward Collision Alert
- Following Distance Indicator
- Lane Departure Warning
- Safety Alert Seat
- Rear Cross Traffic Alert
- SiriusXM with 360L Trial Subscription
- Keyless Open and Start
- OnStar Services Capable
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- HD Surround Vision
- Bed View Camera with Two Trailer Camera Provisions
- Trailer Cam Provisions and Trailer Viewing Software
- Heated Driver and Front Outboard Passenger Seats
- Ventilated Driver and Front Passenger Seats
- Heated 2nd Row Outboard Seats
- Gloss Black Header Grille and Grille Insert Bars
- LED Cargo Area Lighting
- Unauthorized Entry Theft-Deterrent System
- Power Front Passenger Windows with Express Up/Down
- Ultrasonic Front and Rear Park Assist
- Rear Wheelhouse Liners
- X31 Off-Road Package
- Hill Descent Control
- Off-Road Suspension
- ProGrade Trailering System
- in-Vehicle Trailering System App
- Engine: 6.6L V8 with Direct Injection and Variable Valve Timing
- Heavy-Duty 80 Amp Battery
- GVWR: 10,850 lbs
- 2-Speed Active Transfer Case
- Front Bucket Seats
- 10-Way Power Passenger Seat Adjuster with Lumbar
- Gooseneck/5th Wheel Prep Package
- Pickup Box
- Tires: LT275/65R20 AT BW
- LT275/70R18 AT BW Spare Tire
- Radio: AM/FM Stereo with Premium GMC Infotainment System
Detailed Specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 470hp @ 2,800RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: diesel
- Torque: 975 lb.-ft. @ 1,600RPM
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 257mm (10.1")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 16.00 to 1
- Curb weight: 3,733kg (8,229lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine torque: 975 lb.-ft. @ 1,600RPM
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,369mm (250.8")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- GVWR: 5,148kg (11,350lbs)
- Payload: 1,398kg (3,083lbs)
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Towing capacity: 8,391kg (18,500lbs)
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,039mm (159.0")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera cargo
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- Traction control
Dealer Notes
KBB.com Consumer Reviews
*Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability, fitness for a particular purpose, title or non-infringement. All vehicles are subject to prior sale. Price does not include applicable tax, title, and license. Price excludes $490 documentation fee. Not responsible for typographical errors.
**The arrival timeline is an estimate. It may vary due to circumstances beyond Subaru’s or the retailer’s control.
**The arrival timeline is an estimate. It may vary due to circumstances beyond Subaru’s or the retailer’s control.
